Intrepid Systems Team member Mark Curry, right, answers questions from 8th grade Sullivan Middle School (Mass.) students about his robot named "MXR - Mark's Exploration Robot" on Friday, June 15, 2012, at the Worcester Polytechnic Institute (WPI) in Worcester, Mass. Curry's robot team will compete for a $1.5 million NASA prize in the NASA […]

Small, shifting human populations existed in the Amazon before the arrival of Europeans, with little long-term effect on the forest.That's the result of research led by Crystal McMichael and Mark Bush of the Florida Institute of Technology (FIT). The finding overturns the idea the Amazon was a cultural parkland in pre-Columbian times with large human p […]